Biodiversity Science ›› 1998, Vol. 06 ›› Issue (3): 167-171.doi: 10.17520/biods.1998025
• 论文 •
WANG Jian-Bo, CHEN Jia-Kuan, LI Rong-Qian, HE Guo-Qing
Ranalisma rostratum (Alismataceae) is an endangered aquatic plant , and now there exists only
one population in China. In its natural habitat , Huli marsh in Chaling , Hunan Province , the best growing
plants were observed at microsites where the water depth is five to 10 cm , and the plants grow in emergent
form. R. rostratum reproduces asexually or sexually , and recruitment of asexual propagules into population is
a very importment way to maintain the natural population size. Although seed production does not appear to
limit R. rostratum , restricted dispersal of propagules and seeds , low seed viability , low germinability , slow
growth of seedlings under all conditions , and habitat loss due to agriculture appear to be more important reasons for the endangerment of this plant .
WANG Jian-Bo, CHEN Jia-Kuan, LI Rong-Qian, HE Guo-Qing. Life history traits and mechanisms of endangerment in Ranalisma rostratum. (1998) Biodiv Sci, 06(3), 167-171.
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